Kelley, G. O. (1937). The Classification of books: An inquiry into its usefulness to the reader. The H. W. Wilson Company.
Chicago-Zitierstil (17. Ausg.)Kelley, Grace Osgood. The Classification of Books: An Inquiry into Its Usefulness to the Reader. New York: The H. W. Wilson Company, 1937.
MLA-Zitierstil (9. Ausg.)Kelley, Grace Osgood. The Classification of Books: An Inquiry into Its Usefulness to the Reader. The H. W. Wilson Company, 1937.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.